Construction method of drip irrigation spring wheat super-high-yield population structure

A technology of colony structure and construction method, applied in fertilization methods, botanical equipment and methods, seed coating/seed dressing, etc., can solve the problem of poor repeatability of high yield, lack of theoretical basis and model cultivation for large-scale, sustained, stable and high yield technical system, the inability to achieve large-scale ultra-high yield and other problems, to achieve the effect of improving production efficiency

Inactive Publication Date: 2015-04-01
SHIHEZI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Super-high-yield fields appear from time to time in drip irrigation wheat production, but due to the lack of large-scale, sustainable, high-yield theoretical basis and model cultivation technology system, high-yield reproducibility is poor, and large-scale super-high yield cannot be achieved

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0030] The present invention will be described in detail below in conjunction with specific embodiments. A method for constructing a super-high-yield population structure of spring wheat under drip irrigation, mainly carried out according to the following steps:

[0031] (1) Pre-sowing preparation: the selected pH value is 7.5, the average organic matter content is 13.5g / kg, the average alkaline hydrolysis nitrogen content is 63.5mg / kg, the average available phosphorus content is 17.5mg / kg, and the average available potassium content is 150mg / kg. kg of farmland; 20% of the total amount of nitrogen fertilizer and 80% of the total amount of phosphorus fertilizer are mixed and deeply applied during autumn plowing; timely rake the land in early spring to preserve moisture, and the rake depth is 3-4cm, and the quality of land preparation reaches "even, flat, loose, broken, clean, Entropy" six-character standard.

[0032] (2) The variety is Xinchun No. 6. Before sowing, use 50% Duo...

Embodiment 2

[0040] A method for constructing a super-high-yield population structure of spring wheat under drip irrigation, mainly carried out according to the following steps:

[0041] Step 1, spring wheat varieties and pre-sowing preparation;

[0042] The spring wheat variety refers to a medium-dwarf spring wheat variety with high yield, high quality and strong disease resistance, the plant height is controlled at 85cm-95cm, and the wheat variety with a growth period of 110-115d is Xinchun No. 6;

[0043] The preparation before sowing includes site selection, deep application of basal fertilizer and site preparation before sowing; site selection: the selected pH value is 7.0, the organic matter content is 1.2%, the content of alkaline nitrogen is 35 mg / kg, and the content of available phosphorus is 24 mg / kg. Farmland with an average potassium content of 120mg / kg; deep application of basal fertilizer: 15% of the total nitrogen fertilizer and 70% of the total phosphorus fertilizer are mix...

Embodiment 3

[0048] A method for constructing a super-high-yield population structure of spring wheat under drip irrigation, mainly carried out according to the following steps:

[0049] Step 1, spring wheat varieties and pre-sowing preparation;

[0050] The spring wheat variety refers to a medium-dwarf spring wheat variety with high yield, high quality and strong disease resistance, the plant height is controlled at 85cm-95cm, and the wheat variety with a growth period of 110-115d is Xinchun 26;

[0051] The preparation before sowing includes site selection, deep application of basal fertilizer and site preparation before sowing; site selection: the selected pH value is 7.2, the organic matter content is 1.5%, the content of alkaline nitrogen is 50 mg / kg, and the content of available phosphorus is 20 mg / kg. Farmland with an average potassium content of 130mg / kg; deep application of basal fertilizer: 18% of the total nitrogen fertilizer and 75% of the total phosphorus fertilizer are mixed ...

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Abstract

The invention relates to the technical field of crop planting agricultural methods, and discloses a construction method of a drip irrigation spring wheat super-high-yield population structure. The method comprises the following steps: preparing a spring wheat variety and making pre-sowing preparations; performing wide-narrow row configuration, wherein the widths of wide rows are 20 centimeters, the widths of narrow rows are 12.5 centimeters, and drip irrigation zones are paved between adjacent wide rows; sowing; performing field management from a seeding stage to a tillering stage, from a jointing stage to a booting stage, from a heading stage to a fertilization stage, from the fertilizing stage to a seed formation stage, and from a milk-ripe stage to a full ripening stage. The construction method provided by the invention is economical and practical; a drip irrigation technology is adopted, and dry-sowing and wet-emergence are adopted, so that the field emergence rate is 90-95 percent; the wide-narrow row configuration is adopted, so that the ventilation and light transmittance rates of a wheat field can be increased; the plant heights and the basic internode lengths of main stems can be controlled through chemical regulation and control at the tillering stage; from the heading stage to the milk-ripe stage, fertilization is performed along with water drops, and fertilizers are moved backwards, so that the function periods of leaves and root systems can be prolonged, the influence of fertilizer removal at the milk-ripe stage on the yield is avoided, and large-scale high yield and super high yield of drip irrigation spring wheat are ensured.

Description

technical field [0001] The invention relates to a method for constructing a super-high-yield population structure of spring wheat by drip irrigation, and relates to the technical field of crop planting agronomic methods. Specifically, through drip irrigation technology, wide and narrow row configuration, dry sowing and wet out, improve field emergence rate, move nitrogen fertilizer backward during the growth period, and integrate water and fertilizer Increase the material production and efficient distribution of the population after flowering, cultivate a high-quality lodging-resistant population structure, and promote the large-scale high-yield and super-high yield of spring wheat under drip irrigation. Background technique [0002] Crop production is the production of crop groups, and the yield of crops is the output of crop groups. Although the group is composed of individuals, the group is not a simple accumulation of individuals, nor is the higher the individual output, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00
CPCA01C1/06A01C21/005A01G22/00A01G25/00
Inventor 蒋桂英刘建国孙文庆马富裕
Owner SHIHEZI UNIVERSITY
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